EP1843281A1 - Dispositif de support de données/émission et procédé destiné à la fabrication d'un dispositif de support de données/émission - Google Patents

Dispositif de support de données/émission et procédé destiné à la fabrication d'un dispositif de support de données/émission Download PDF

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Publication number
EP1843281A1
EP1843281A1 EP07105330A EP07105330A EP1843281A1 EP 1843281 A1 EP1843281 A1 EP 1843281A1 EP 07105330 A EP07105330 A EP 07105330A EP 07105330 A EP07105330 A EP 07105330A EP 1843281 A1 EP1843281 A1 EP 1843281A1
Authority
EP
European Patent Office
Prior art keywords
coil
data carrier
circuit board
transmitting device
printed circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07105330A
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German (de)
English (en)
Inventor
Dieter Reuker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Balluff GmbH
Original Assignee
Balluff GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Balluff GmbH filed Critical Balluff GmbH
Publication of EP1843281A1 publication Critical patent/EP1843281A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07771—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card the record carrier comprising means for minimising adverse effects on the data communication capability of the record carrier, e.g. minimising Eddy currents induced in a proximate metal or otherwise electromagnetically interfering object

Definitions

  • the invention relates to a data carrier / transmitting device for fixing to an object, comprising a resonant circuit with at least one coil, an electrical circuit arrangement to which the at least one coil is coupled, and a fixing device with an attachment side to the object.
  • the invention further relates to a method for producing a data carrier / transmitting device with a resonant circuit.
  • Disk devices are used to identify objects, for example.
  • the data carrier device comprises a resonant circuit, by means of which a transponder is formed, via which data can be read and stored without contact and without visual contact.
  • a transceiver unit Via a transceiver unit, which comprises a transmitting device, stored data can be identified automatically and quickly.
  • a transponder assembly for use with a recognition and identification system that can be attached to a metallic object without being detuned.
  • This comprises a shield member formed of a non-ferrous material, an insulating support member attached to the shield member, and a transponder having an antenna mounted on the support member connected to a tank circuit.
  • the transponder is electrically isolated from the shielding member while the shielding member is still interacting with the tank circuitry so that the tank circuit, antenna and shield combination is tuned as a single unit to a selected operating frequency.
  • a contactless smart card which receives an electromagnetic wave from an interrogator for communicating with the interrogator using the electromagnetic wave as the power source.
  • the invention has for its object to provide a data carrier / transmitting device of the type mentioned, which is suitable for a metallic object with a large response distance.
  • the coil axis is at least approximately parallel to the surface regions of the object to which the data carrier device is fixed via the contact side.
  • Field lines (in particular of the inductive field) of a transmitting-receiving device then run substantially parallel to the surface of the metallic object. This compresses the field in front of the object. This results in a relatively large response distance.
  • the plant side is a substantially flat contact surface.
  • the data carrier device can be fixed in a simple manner to an object via the fixing device.
  • the teaching according to the invention also makes it possible to realize a transmission device which can be fixed to a metallic object and thereby provides a transmission field which allows a large response distance.
  • the Transmitting device cooperates in particular with a data carrier device which comprises a resonant circuit with at least one coil and an electrical circuit arrangement.
  • the transmitting device forms an antenna device for the electromagnetic loading of a data carrier device.
  • the data carrier device by means of which the transmitting device according to the invention cooperates, can be designed according to the technical teaching according to the invention or have another configuration.
  • the fixing device has one or more passage openings for fastening elements. As a result, these can be easily fixed to an object.
  • the object is a metallic object.
  • metallic object such as engine blocks provided with an identification code that is easy to read, since a large response distance is provided.
  • a transmitting device is provided in particular for fixing to a metallic object.
  • a metal element is provided which is arranged between the at least one coil and the object.
  • the resonant frequency of the resonant circuit is shifted and usually towards higher frequencies. If the Volume / transmitter device contains a metal element, then this metal element provides for an "intrinsic" resonance shift. This reduces the influence of the external metallic object because the resonance shift caused by the external metallic object is greatly reduced. This also contributes to a relatively high response distance (distance between the object provided with the data carrier device and the transceiver).
  • the metal element is at least partially plate-shaped or foil-shaped. It can then be easily positioned relative to the coil.
  • a plate-shaped metal element can be used as a support for a coil.
  • the metal element covers the at least one coil towards the object.
  • the metal element has at least the same width transversely to the coil axis and at least the same length parallel to the coil axis as the at least one coil.
  • the metal element is designed as a backplate of the data carrier / transmitter device.
  • a carrier for the coil is provided by a component and a metal element for the "intrinsic" resonance frequency shift.
  • the back plate can be used as a fixing device.
  • the fixing device is at least partially formed by the metal element.
  • the corresponding data carrier / transmitting device can be produced in a simple manner.
  • the metal element is made of aluminum or steel (such as stainless steel) or copper. As a result, an external resonance frequency shift by a large-scale metallic object can be easily prevented.
  • the metal element forms a carrier for the at least one coil and / or the electrical circuit arrangement.
  • the corresponding data carrier / transmitting device can be produced in a simple manner.
  • the metal element has a substantially planar upper side. It can then be a coil with a coil core in a simple way to position the metal element and fix.
  • the fixing device has one or more edge strips. This makes it possible to achieve a centering of the coil (which is arranged in particular on a coil core) on the fixing device in order to simplify the production of the data carrier / transmitter device.
  • the at least one edge strip is made of a metallic material in order to provide a resonance frequency shift, so that in turn a resonance frequency shift due to the external influence of an object is greatly reduced.
  • the at least one edge strip is connected to a plate-shaped metal element.
  • a corresponding data carrier / transmitting device can be produced in a simple manner.
  • the at least one edge strip is oriented at least approximately parallel to the coil axis of the at least one coil.
  • the data carrier device is "open" with respect to the field line course of the inductive field parallel to the coil axis, so that an effective coupling to an inductive field of a transceiver device is made possible.
  • a receiving space for the at least one coil and / or the circuit arrangement is formed between opposite edge strips.
  • a combination of coil core and coil and optionally circuit arrangement can be positioned in this receiving space.
  • the data carrier / transmitting device can be produced in a simple manner.
  • the receiving space is open at the end with respect to the spool axis.
  • the field line profile is not impeded parallel to the contact side and thus parallel to an object surface substantially.
  • the receiving space is cuboid.
  • a data carrier / transmitting device with small height dimensions can be formed.
  • the electrical circuit arrangement comprises a capacitive device.
  • the resonant circuit can be produced in a simple manner, since the resonant circuit capacitance is integrated in the electrical circuit arrangement.
  • the electrical circuit arrangement is formed by one or more integrated circuits. These are integrated in particular in a small number of components, and it is particularly advantageous if the electrical circuit arrangement has a single IC.
  • the data carrier / transmitter can then be produced in a simple manner.
  • one or more balancing capacitors are assigned to the electrical circuit arrangement.
  • the properties of components or component materials can scatter.
  • these variations can be compensated by a corresponding adjustment during the production of the data carrier / transmitting device to produce data carrier / transmitting devices, which have a low dispersion in their properties.
  • the at least one coil is associated with a coil core.
  • This spool core is used to "gather” and "focus” field lines to get a large response distance.
  • the spool core is made of a soft magnetic material.
  • the bobbin is made of a ferrite material.
  • the coil core is at least approximately cuboidal. As a result, a data carrier / transmitting device with small height dimensions can be formed.
  • the at least one coil has turns which are arranged around the coil core. This makes it easy to produce a coil whose coil axis is parallel to the system side.
  • windings of the at least one coil have winding regions which are oriented at least approximately parallel to the system side. This can provide a coil which is flat. In turn, this makes the disk / transmitter device can be made with small height dimensions.
  • the coil can be formed flat with a coil axis parallel to the plant side.
  • the spool core is made of a flexible material. Ferrite rods have the fundamental problem that they are very brittle and can break easily.
  • the flexurally flexible material facilitates the production of the data carrier / transmitter device.
  • Soft magnetic materials which are suitable as a coil core and are flexurally flexible are, for example, amorphous metals.
  • the spool core is made of a film material. If appropriate, the data carrier / transmitter device can then be flexibly formed to a certain extent in order to be able to adapt it to the surface contours of an object.
  • the at least one coil is at least partially wound over the circuit arrangement. This results in a simple structure, wherein the data carrier / transmitting device can be produced with small dimensions. It is ensured that the coil and the circuit arrangement are not short-circuited.
  • the data carrier / transmitting device comprises a rigid-flex circuit composite.
  • a rigid-flex PCB composite rigid circuit board elements are provided, which are flexibly interconnected.
  • a corresponding data carrier / transmitting device can be produced in a simple and cost-effective manner.
  • a first printed circuit board element is provided on which winding regions of the at least one coil are arranged.
  • a second printed circuit board element is provided, on which winding regions of the at least one coil are arranged, wherein the second printed circuit board element is flexibly connected to the first printed circuit board element.
  • connection takes place via turn areas of the at least one connection, that is to say the turn areas provide the flexible connection between rigid circuit board elements.
  • a third printed circuit board element may be provided, around which winding regions of the at least one coil are arranged, wherein the third printed circuit board element is flexibly connected to the first printed circuit board element.
  • the flexible connection takes place via winding regions of the at least one coil. It can then be produced via the second printed circuit board element and the third printed circuit board element with their partial coils, the entire coil, which then surrounds the spool core.
  • the circuit arrangement is arranged on the second printed circuit board element.
  • the data carrier / transmitting device can be produced in a simple manner, wherein in each case a coil start or a coil end can be connected directly to the circuit arrangement.
  • the second printed circuit board element and / or the third printed circuit board element is arranged opposite to the first printed circuit board element. This allows a spool core to be positioned therebetween.
  • a coil core is arranged between the first printed circuit board element and the second printed circuit board element and / or the third printed circuit board element.
  • the production is simplified if the second printed circuit board element and / or the third printed circuit board element rest against the coil core.
  • the bobbin then provides a contact surface for the or the circuit board elements.
  • the invention is further based on the object to provide a method for producing a data carrier / transmitting device with a resonant circuit, which can be carried out in a simple and cost-effective manner.
  • This object is achieved in that a coil start of a coil is fixed to a circuit arrangement and the circuit arrangement is fixed to a spool core.
  • the coil can then be produced, for example, by winding or via a rigid-flex circuit composite without having to turn or turn a coil support.
  • the coil is produced on the spool core.
  • the coil is wound around the spool core.
  • the spool core does not have to be turned or turned, but a winding machine can be used.
  • the spool core is produced in film form.
  • the risk of breakage is greatly reduced compared to a ferrite rod.
  • an adaptability to various object applications can be realized.
  • the coil core is cuboid. This makes it possible to produce data carrier devices with small height dimensions.
  • a coil end is fixed to the circuit arrangement.
  • the fixation is done for example by welding or soldering.
  • the coil can be coupled in a simple manner to the circuit arrangement.
  • the combination of coil core and coil and circuit arrangement is fixed to a fixing device for fixing the data carrier / transmitting device to an object.
  • the data carrier / transmitting device can be produced in a simple manner with small height dimensions.
  • a metal element is positioned or positioned on the combination of coil device and coil and circuit arrangement. This achieves an "intrinsic" shift of the resonance frequency, which greatly reduces the influence of an external metallic object on the resonance frequency. This in turn gives a high response distance.
  • the fixing device is formed by a metal plate or comprises a metal plate.
  • the data carrier / transmitting device can be produced in a simple manner.
  • a balancing device is produced. As a result, component scattering or material scattering can be compensated by balancing during production.
  • a first printed circuit board element is produced with a partial coil and at least one further printed circuit board element is produced with a further partial coil, wherein the first printed circuit board element and the at least one further printed circuit board element are flexibly connected to one another via coil regions.
  • the disk / transmitter device can be easily manufactured. It can produce a coil which surrounds a coil core, wherein the windings can be printed as a coil path, for example. As a result, no winding must be provided.
  • the coil core is positioned between the first printed circuit board and the at least one further printed circuit board. It can thereby provide a coil which surrounds the spool core. Furthermore, a contact surface for the at least one further printed circuit board is provided by the coil core.
  • the data carrier / transmitter according to the invention can be used advantageously on metallic objects. For example, you can Identify by the data carrier device according to the invention engine blocks during their production.
  • a first embodiment of a data carrier device according to the invention which is shown in FIGS. 1 and 2 and designated therein by 10, comprises a fixing device 12, by means of which the data carrier device 10 can be fixed to an object which is to be identified via the data carrier device 10.
  • the fixing device 12 comprises a plate 14 made of a metallic material.
  • the plate 14 is made of (high-grade) steel, aluminum or copper.
  • the plate 14 has a substantially flat bottom 16 and a substantially flat top 18.
  • the bottom 16 and the top 18 are parallel to each other.
  • the underside 16 forms a contact side 20 of the data carrier device 10 to an object with a planar contact surface.
  • the plate 14 is substantially cuboid shaped with rounded or beveled corners 22nd
  • the plate 14 is in particular mirror-symmetrical to a central axis 24.
  • the fixing device 12 can be fixed to an object, for example via screws.
  • edge strips 30a, 30b are arranged on the longer sides 28a, 28b. These edge strips 30a, 30b are aligned substantially parallel to the central axis 24 and at least approximately parallel to each other.
  • the edge strips 30a, 30b are substantially flush with the bottom 16 of the plate 14 or are set back from the bottom 16; they do not protrude beyond the bottom 16 to allow easy and good fixability of the data carrier device 10 to the object. They protrude beyond the top 18 of the plate 14. As a result, a receiving space 32 is formed between the upper side 18 of the plate 14 and the edge strips 30a, 30b.
  • This receiving space 32 has a substantially cuboid shape. It is open at end faces 34a, 34b, which are transverse and in particular perpendicular to the central axis 24.
  • edge strips 30a, 30b do not extend in the data carrier device 10 over the entire length of the plate 14 (parallel to the central axis 24), but are set back relative to the end faces 34a, 34b.
  • a resonant circuit 36 is arranged in the receiving space 32.
  • This resonant circuit 36 is by means of (at least) a coil 38 and a capacitor formed, which is covered by a circuit arrangement 40.
  • the circuit arrangement is in particular an integrated circuit arrangement, which is formed by an IC and which comprises the capacitance. This is, for example, in the range between 20 pF to 100 pF.
  • the circuit arrangement 40 comprises further components for controlling the resonant circuit 36.
  • the coil 38 is disposed on a spool core 42.
  • the bobbin 42 is made of a soft magnetic material having high magnetic permeability and low magnetic loss.
  • a fundamentally suitable material is a ferrite material.
  • the spool core 42 is made of a flexible material.
  • the spool core 42 is made of a film material.
  • An example of such a soft magnetic sheet material is the material "LIQUALLOY" of ALPS ELECTRIC CO., LTD., 1-7, Yukigayaotsuka-cho, Ota-ku, Tokyo, 145-8501, Japan. This material is an amorphous metal.
  • the coil core 42 is cuboid and adapted to the dimensions of the receiving space 32.
  • the coil core 42 may also be referred to as an absorber foil, since magnetic field lines are to a certain extent absorbed.
  • the circuit arrangement 40 is seated on an upper side of the spool core 42. For example, it is glued onto this spool core 42.
  • the circuit arrangement 40 is seated in particular on the central axis 24 and centrally with respect to the end faces 34a and 34b.
  • the circuit arrangement 40 is associated with a first guide surface 44a in the direction of the end face 34a, which lies in particular on the central axis 24. Furthermore, the circuit arrangement 40 is associated with a second guide surface 44b, which extends on the central axis 24 in the direction of the end face 34b. Via the fins 44a, 44b, a conductive connection between the circuit 40 and the coil 38 is made.
  • the baffles 44a and 44b may also be part of the circuit 40.
  • a coil start 46 of the coil 38 is fixed electrically and mechanically.
  • a coil end 48 of the coil 38 is electrically and mechanically fixed, for example by welding or soldering.
  • the spool 38 is wound around the spool core 42 between the spool start 46 and the spool end 48, with the spool 38 positioned in the receiving space 32.
  • the coil 38 comprises windings 50, which are guided around the spool core 42.
  • a winding 50 comprises a lower winding region 52 which faces the upper side 18 of the fixing device 12, an upper winding region 54 which is arranged on the opposite side of the coil core 42, a transverse winding region 56 which is the lower one Winding region and the upper winding portion 54 connects to each other, and a Querwindungs Suite 58, which serves to connect to the next turn.
  • the transverse winding regions 56, 58 face the edge strips 30a, 30b.
  • the lower winding region 52 and the upper winding region 54 are substantially parallel to the upper surface 18 of the fixing device 12. They lie substantially flat against the spool core 42 (the spool core has a flat underside and a flat upper side).
  • At least 80% and preferably at least 90% of the total length of a turn 50 is in the lower turn region 52 and in the upper turn region 54, that is, at most 20% % and preferably at most 10% of the total length are in the transverse winding areas 56 and 58.
  • the region of the guide surfaces 44a, 44b which is covered by the windings 50 is provided with insulation in order to prevent electrical contact between the coil 38 outside the coil start 46 and the coil end 48 with the guide surfaces 44a, 44b.
  • an insulating film is arranged on the guide surfaces 44a and 44b.
  • a coil axis 60 of the coil lies substantially parallel to the contact side 20 of the data carrier device 10 to an object. In particular, it is essentially coaxial with the central axis 24 of the data carrier device 10 or parallel to it. As a result, the coil axis 60 is also substantially parallel to the edge strips 30a, 30b.
  • a combination 62 of the coil core 42, coil 38 and circuit 40 is positioned.
  • This combination 62 has in particular such height dimensions that it does not protrude beyond the edge strips 30a, 30b.
  • This combination 62 may be cast in the receiving space 32.
  • a corresponding casting material 64 is schematically indicated.
  • the coil 38 is associated with a metal element 66, which covers the coil 38 to the contact side 20 towards the object, that is, the metal element 66 is disposed between the object and the coil 38, wherein the metal element has a width which transverse to the central axis 24th (And thus transverse to the coil axis 60) is at least as wide as the coil 38. Further, the metal element 66 has a length parallel to the coil axis 60 (and thus parallel to the central axis 24), which is at least as long as the length of the coil 38 in this Direction is.
  • the metal element 66 is formed by the plate 14, which is also a carrier for the combination 62.
  • the metal element 66 as a plate 14 forms a back plate of the data carrier device 10.
  • the metal element 66 and the fixing device 12 may be separate from one another.
  • the metal element 66 is rigid, for example as a plate 14. It is also possible that the metal element 66 is flexible.
  • the data carrier device 10 can be produced as follows:
  • the spool core 42 is provided. On this, the circuit arrangement 40 with the guide surfaces 44a, 44b is arranged.
  • the coil start 46 is mechanically and electrically fixed to the first guide surface 44a, for example, by welding or soldering. Starting from this coil start 46, the coil 38 is produced by winding on the spool core 42.
  • the coil end 48 is fixed mechanically and electrically, for example, by welding or soldering to the second guide surface 44b.
  • the combination 62 of coil core 42, coil 38 and circuit arrangement 40 thus produced is fixed and cast on the plate 14 with the edge strips 30a, 30b.
  • the combination 62 is fixed to the plate 44, for example, by opposing beads before the potting occurs.
  • the data carrier device 10 functions as follows:
  • the data carrier device 10 is in particular an RFID data carrier device (RFID - Radio Frequency Identification).
  • RFID RFID - Radio Frequency Identification
  • the resonant circuit 36 with the circuit arrangement 40 forms a transponder.
  • a read / receive device 68 (FIGS. 3, 4) with a read head is used.
  • the data transmission between read-receive device 68 and the data carrier device 10 is electromagnetic.
  • the data carrier device 10 receives its power for data transmission to the reader-receiver 68 of the latter.
  • the resonant circuit 36 forms an antenna (transponder antenna). In the coil 38, an induction current is induced by the electromagnetic excitation field of the read-receive device 68. This activates the circuit arrangement 40.
  • the data carrier device 10 is in particular a passive transponder; In this case, the capacity of the resonant circuit 36 is charged to provide for the power supply of the circuit 40.
  • these commands may be received by the read-receive device 68, or may transmit data to the read-receive device 68. This transmission takes place by load modulation, that is to say alteration of the electromagnetic field which is emitted by the read-receiving device 68. This change in turn can be detected by the read-receive device 68.
  • the data carrier device is designed as a near-field data carrier device.
  • the unbiased resonant circuit frequency (see below) is for example about 13.56 MHz or in the range between 125 kHz and 135 kHz.
  • the data carrier device according to the invention is intended for use on a metallic object.
  • the metal member 66 provided in the data carrier device 10 through the plate 14 the resonant frequency of the resonant circuit 36 is shifted, usually to a higher frequency.
  • the metal element 66 which is integrated in the data carrier device 10, generates a defined "intrinsic" frequency shift.
  • the influence of a metallic object on which the data carrier device 10 is arranged is thereby greatly reduced.
  • the metal element 66 thus a resonant frequency of the resonant circuit 36th set, which is compared to the resonant frequency of the resonant circuit without metal element 66 modified and in particular above this.
  • the influence of a metallic object (such as a motor block) to which the data carrier device 10 is fixed is greatly reduced, that is, the external variation of the resonance frequency by the external object is greatly reduced.
  • FIG. 3 schematically shows the course of the inductive field of the read-receive device 68.
  • Denoted at 70 is a prior art data carrier device that includes a coil 72 disposed on a carrier 74.
  • the coil 72 has a coil axis 76, which is oriented perpendicular to an abutment side 78 of the data carrier device 70. With this attachment page 78, the data carrier device 70 is applied to an object ( Figure 4).
  • the coil axis 60 is substantially parallel to the contact side 20.
  • FIG. 4 shows the influence of a metallic object (for the data carrier device 10) and a metallic object 82 (for the data carrier device 70).
  • the attachment side 20 of the data carrier device 10 abuts against the object 80. It is oriented substantially parallel to a surface of the object 80.
  • the coil axis 60 is oriented substantially parallel to the surface area where the data carrier device 10 is fixed.
  • the contact side 78 bears against the metallic object 82.
  • the coil axis 76 is perpendicular to this contact side 78 and thus to the surface region of the object 82, on which the data carrier device 70 rests on its contact side 78.
  • a coil axis 84 of a coil 86 of the read-receive device 68 in the data carrier device 70 should be at least approximately aligned parallel to the coil axes 76 and 60, respectively, to provide effective field loading of the respective coils 38 and 72 of the data carrier device 10, respectively or 70 to receive.
  • the field lines of the inductive field meet at a shallow angle on the spool core 42. As a result, the field lines are effectively pulled into the spool core 42. This results in a field gain and the detection distance is increased.
  • the metal element 66 achieves a further increase in distance, since the influence of the object 80 on the resonance frequency is greatly reduced.
  • the data carrier device 10 can be produced in a simple manner. For example, no turning or turning of the spool core 42 is necessary because the coil 38 can be wound directly on this.
  • FIGS. 5 and 6 and designated therein by 88 the fixing device is fundamentally the same as in the data carrier device 10. The same reference numerals are therefore used.
  • a combination 90 of a coil core 92, a circuit arrangement 94 and a coil 96 is arranged in the receiving space 32 of the fixing device 12 of the data carrier device 88.
  • the circuitry 94 is seated on the spool core 92. It is associated with a first baffle 98a and a second baffle 98b.
  • the guide surface 98a and 98b are located on opposite sides with respect to the central axis 24.
  • a coil start 100 of the coil 96 is fixed.
  • a coil end 102 of the coil 96 is fixed.
  • the Guide surface 98a is shorter than the guide surface 98b.
  • the first guide surface 98 a is configured so that it lies outside the coil 96 except for the coil start 100.
  • the second conductive surface 98b extends from the circuitry 94 to an opposite end of the spool core 92.
  • the coil 96 is wound over a region 104 of the second conductive surface 98b with no electrical contact.
  • the coil 96 is associated with a capacitor 97 for forming a resonant circuit. This is, for example, in addition to an IC, through which the circuit 94 is realized, soldered onto the spool core 92.
  • a capacitor device 105 comprising one or more capacitors is electrically coupled.
  • the coil 96 is positioned between the capacitor device 105 and the circuitry 94.
  • a balancing device is formed.
  • the total capacity of the resonant circuit of the data carrier device 88 can be selectively modified during manufacture.
  • component scattering or material scattering during the production of the data carrier device 88 can be compensated.
  • the data carrier device 88 functions as described above with respect to the data carrier device 10.
  • a coil is formed on a rigid-flex printed circuit board composite 110.
  • Rigid-flex PCB composites consist of a combination of rigid and flexible circuit boards, which are permanently connected to each other.
  • the rigid-flex circuit composite 110 comprises a first printed circuit board element 112, a second printed circuit board element 114 and a third printed circuit board element 116. These printed circuit board elements 112, 114 and 116 are rigidly formed. On the first circuit board element 112, a first coil part 118 of a coil 120 of a resonant circuit of the data carrier device 108 is arranged. A second coil part 122 of the coil 120 is arranged on the second circuit board element 114, and a third coil part 124 of the coil 120 is arranged on the third circuit board element 116. The first coil part 118, the second coil part 122 and the third coil part 124 complement each other to form the coil 120.
  • the flex connection between the first printed circuit board element 112 and the second printed circuit board element 114 takes place through winding regions 126 of the coil 120, which connect the coil parts 118 and 122.
  • the flex connection between the first printed circuit board 112 and the third printed circuit board 116 takes place via winding regions 128 of the coil 120, which connect the coil parts 118 and 124 to one another.
  • a circuit arrangement 130 and a (resonant) capacitor 131 are arranged on the second circuit board element 114.
  • the first printed circuit board element 112 sits flat against a carrier 132.
  • This carrier 132 is in particular a metal element corresponding to the plate 14, as has been described in connection with the data carrier device 10.
  • a coil core 134 is arranged, which is formed in particular cuboid.
  • This spool core is designed in particular as an absorber foil, as described above in connection with the data carrier device 10.
  • the second printed circuit board element 114 and the third printed circuit board element 116 are arranged adjacent to the latter, wherein they contact each other electrically to form closed coil windings which surround the spool core 134.
  • the turn regions 126, 128, which establish the flexible connection between the first printed circuit board element 112 and respectively the second printed circuit board element 114 and third printed circuit board element 116, essentially have a length which corresponds to the height of the coil core 134.
  • the first printed circuit board element 112 is provided with a guide surface 136, to which a coil start 138 of the coil 120 is coupled.
  • the third circuit board element 116 is provided with a guide surface 140 to which Coil end 142 of the coil 120 is coupled.
  • the baffles 136 and 140 are outside of coil turns of the coil 120.
  • the rigid-flex circuit composite 110 is produced.
  • the first circuit board element 112 is positioned on the carrier 132.
  • the bobbin 134 is positioned on the first circuit board element 112.
  • the second printed circuit board element 114 and the third printed circuit board element 116 are positioned by pivoting onto the coil core 134 on this. When properly positioned, electrical contact of the coil end 142 to the circuitry 130 is automatically established.
  • This arrangement can then be potted.
  • the data carrier device 108 otherwise functions as described above in connection with the data carrier device 10.
  • a transmitting device which basically has the same structure as the data carrier devices described above.
  • This transmitter may be part of the reader-receiver 68.
  • it forms an antenna device which radiates an electromagnetic field to apply to a data carrier device.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Near-Field Transmission Systems (AREA)
EP07105330A 2006-04-07 2007-03-30 Dispositif de support de données/émission et procédé destiné à la fabrication d'un dispositif de support de données/émission Withdrawn EP1843281A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006017992A DE102006017992A1 (de) 2006-04-07 2006-04-07 Datenträger-/Sendevorrichtung und Verfahren zur Herstellung einer Datenträger-/Sendevorrichtung

Publications (1)

Publication Number Publication Date
EP1843281A1 true EP1843281A1 (fr) 2007-10-10

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EP07105330A Withdrawn EP1843281A1 (fr) 2006-04-07 2007-03-30 Dispositif de support de données/émission et procédé destiné à la fabrication d'un dispositif de support de données/émission

Country Status (3)

Country Link
US (1) US20070236333A1 (fr)
EP (1) EP1843281A1 (fr)
DE (1) DE102006017992A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012012880U1 (de) 2012-08-01 2014-04-22 Phoenix Contact Gmbh & Co. Kg Spulensystem

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2341463A3 (fr) 2007-04-19 2014-06-11 BALLUFF GmbH Dispositif de support de données/émission et procédé destiné à sa fabrication
JP5526726B2 (ja) * 2009-11-20 2014-06-18 富士通株式会社 無線タグ
CN111247531B (zh) * 2017-10-24 2023-09-12 艾利丹尼森零售信息服务公司 折叠时形成用于rfid标签的线圈的平面导电器件

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DE19730166A1 (de) * 1997-07-14 1999-01-21 Aeg Identifikationssys Gmbh Transponderanordnung und Verfahren zu deren Herstellung
EP1308884A1 (fr) * 2000-07-17 2003-05-07 Hanex Co. Ltd Structure d'installation d'une etiquette rfid, procede d'installation d'une etiquette rfid et procede de communication d'une etiquette rfid
EP1357513A2 (fr) * 2002-04-24 2003-10-29 Smart Card Co., Ltd. Bobine de capteur sans contact et système d'étiquette
EP1585191A1 (fr) * 2002-09-30 2005-10-12 The Furukawa Electric Co., Ltd. Etiquette rfid et son procede de production
WO2006029105A2 (fr) * 2004-09-07 2006-03-16 Meadwestvaco Corporation Appareil et procede de fourniture d'etiquettes d'identification par radiofrequence
EP1650697A1 (fr) * 2004-10-22 2006-04-26 Kabushiki Kaisha Sato Procédé pour déposer une étiquette comportant une RFID sur un objet

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GB9220409D0 (en) * 1992-09-28 1992-11-11 Texas Instruments Holland Shielded transponder
DE19534229A1 (de) * 1995-09-15 1997-03-20 Licentia Gmbh Transponderanordnung
JPH10187916A (ja) * 1996-12-27 1998-07-21 Rohm Co Ltd 非接触ｉｃカード通信システムにおける応答器
JP4238221B2 (ja) * 2003-01-23 2009-03-18 バクームシュメルツェ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニ コマンディートゲゼルシャフト アンテナコア

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19730166A1 (de) * 1997-07-14 1999-01-21 Aeg Identifikationssys Gmbh Transponderanordnung und Verfahren zu deren Herstellung
EP1308884A1 (fr) * 2000-07-17 2003-05-07 Hanex Co. Ltd Structure d'installation d'une etiquette rfid, procede d'installation d'une etiquette rfid et procede de communication d'une etiquette rfid
EP1357513A2 (fr) * 2002-04-24 2003-10-29 Smart Card Co., Ltd. Bobine de capteur sans contact et système d'étiquette
EP1585191A1 (fr) * 2002-09-30 2005-10-12 The Furukawa Electric Co., Ltd. Etiquette rfid et son procede de production
WO2006029105A2 (fr) * 2004-09-07 2006-03-16 Meadwestvaco Corporation Appareil et procede de fourniture d'etiquettes d'identification par radiofrequence
EP1650697A1 (fr) * 2004-10-22 2006-04-26 Kabushiki Kaisha Sato Procédé pour déposer une étiquette comportant une RFID sur un objet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012012880U1 (de) 2012-08-01 2014-04-22 Phoenix Contact Gmbh & Co. Kg Spulensystem

Also Published As

Publication number Publication date
US20070236333A1 (en) 2007-10-11
DE102006017992A1 (de) 2007-10-18

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